docs: def send_keys(self, cmd, enter=True, suppress_history=True, literal=False):
          """
          ``$ tmux send-keys`` to the pane.
  
          A leading space character is added to cmd to avoid polluting the
          user's history.
  
          Parameters
          ----------
          cmd : str
              Text or input into pane
          enter : bool, optional
              Send enter after sending the input, default True.
          suppress_history : bool, optional
              Don't add these keys to the shell history, default True.
          literal : bool, optional
              Send keys literally, default True.
          """
          prefix = ' ' if suppress_history else ''
  
          if literal:
              self.cmd('send-keys', '-l', prefix + cmd)
          else:
              self.cmd('send-keys', prefix + cmd)
  
          if enter:
              self.enter()